ISO/TR 15608:2013 provides a uniform system for the grouping of materials for welding purposes. It can also apply to other purposes, such as heat treatment, forming and non-destructive testing.
ISO/TR 15608:2013 covers grouping systems for the following standardized materials:
steels;
aluminium and its alloys;
copper and its alloys;
nickel and its alloys;
titanium and its alloys;
zirconium and its alloys;
cast irons.